N53 cam bearing ledge

Dormermike · 01-16-2020, 02:17 PM

Hi all

Wondering if anyone's heard of this affecting n53 engines? I found this link with a video which seems to be for an n53 but I'm not sure.

https://www.f10-forum.de/index.php?t...ollleuchte-no/

I thought the bearing ledge issue was fixed with rubber o rings rather than the metal ones? Must admit I've never heard of this affecting n53 just n52 but I guess it's not surprising.

Thanks
Mike

Phil325i · 01-17-2020, 01:41 AM

No, I've not heard of any instances affecting the N53. I also don't know if any of the N53 production was late enough to get the Teflon rings from the factory.

Looking at this BMW bulletin (see link below - USA I think) I'm not sure the ledges in your video are that bad. The bulletin says 'minor grey wear marks are normal'. It's only if there are deep grooves that oil pressuere to the Vanos unit may be lost. And even then it's only a problem if performance drops off and the DME has the error codes mentioned:

https://static.nhtsa.gov/odi/tsbs/20...32779-8218.pdf

Another good reason to adopt an oil change frequency that's much more regular than the service indicator would tell you I reckon...

01-16-2020, 02:17 PM	#1
Dormermike Captain 102 Rep 681 Posts Drives: Bmw f10 Join Date: Dec 2015 Location: Uk iTrader: (0)	N53 cam bearing ledge Hi all Wondering if anyone's heard of this affecting n53 engines? I found this link with a video which seems to be for an n53 but I'm not sure. https://www.f10-forum.de/index.php?t...ollleuchte-no/ I thought the bearing ledge issue was fixed with rubber o rings rather than the metal ones? Must admit I've never heard of this affecting n53 just n52 but I guess it's not surprising. Thanks Mike
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01-17-2020, 01:41 AM	#2
Phil325i Brigadier General 615 Rep 3,193 Posts Drives: E92 325i MSport Coupe Join Date: Apr 2012 Location: UK South East iTrader: (1) Garage List 2009 BMW 325i Coupe [6.00]	No, I've not heard of any instances affecting the N53. I also don't know if any of the N53 production was late enough to get the Teflon rings from the factory. Looking at this BMW bulletin (see link below - USA I think) I'm not sure the ledges in your video are that bad. The bulletin says 'minor grey wear marks are normal'. It's only if there are deep grooves that oil pressuere to the Vanos unit may be lost. And even then it's only a problem if performance drops off and the DME has the error codes mentioned: https://static.nhtsa.gov/odi/tsbs/20...32779-8218.pdf Another good reason to adopt an oil change frequency that's much more regular than the service indicator would tell you I reckon... __________________ E92 pre-LCI 325i - Ohlins R&T; H&R spacers; M3 strut brace; Swift thrust sheets; 3 x chassis braces; diff brace; N53 V-brace; 034 subframe inserts; BMS clutch stop; BMS CDV; RE g/box mounts; Delrin shift bushes; Saikoumichi OCC; Cyba scoops; BMW Perf Exhaust; HEL s/steel brake hoses; M3 rear spoiler; Recaro Sportster CSs; M3 white dash LEDs; LED Angels; LED side repeaters; BMW Perf black grille; CSL reps; SSDD carbon diffuser; Monster Wrap black roof/clear front Last edited by Phil325i; 01-17-2020 at 08:25 AM..
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